diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 33a8a377bd..d4da8dcb8d 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -2011,7 +2011,10 @@ static int ehci_state_writeback(EHCIQueue *q) ehci_trace_qtd(q, NLPTR_GET(p->qtdaddr), (EHCIqtd *) &q->qh.next_qtd); qtd = (uint32_t *) &q->qh.next_qtd; addr = NLPTR_GET(p->qtdaddr); - put_dwords(q->ehci, addr + 2 * sizeof(uint32_t), qtd + 2, 2); + /* First write back the offset */ + put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qtd + 3, 1); + /* Then write back the token, clearing the 'active' bit */ + put_dwords(q->ehci, addr + 2 * sizeof(uint32_t), qtd + 2, 1); ehci_free_packet(p); /*